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CVE-2026-28430— Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php

Quick assessment

Affected
chamilo chamilo-lms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.34之前版本存在SQL注入漏洞，该漏洞源于custom_dates参数存在未经验证的SQL注入，可能导致远程攻击者执行任意SQL命令并实现完全管理员账户接管。

AI Predicted 9.8 Difficulty: Easy EPSS 0.61% · P48
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I. Basic Information for CVE-2026-28430

Vulnerability Information
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Vulnerability Title
Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php
Source: CVE Program / CVE List V5
Vulnerability Description
Chamilo LMS is a learning management system. Prior to version 1.11.34, there is an unauthenticated SQL injection vulnerability which allows remote attackers to execute arbitrary SQL commands via the custom_dates parameter. By chaining this with a predictable legacy password reset mechanism, an attacker can achieve full administrative account takeover without any prior credentials. The vulnerability also exposes the entire database, including PII and system configurations. This issue has been patched in version 1.11.34.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Chamilo LMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.34之前版本存在SQL注入漏洞，该漏洞源于custom_dates参数存在未经验证的SQL注入，可能导致远程攻击者执行任意SQL命令并实现完全管理员账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
chamilo chamilo-lms < 1.11.34 -

II. Public POCs for CVE-2026-28430

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III. Intelligence Information for CVE-2026-28430

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Vendor Advisories for CVE-2026-28430 (1)

Vendor Pages for CVE-2026-28430 (1)

Same Patch Batch · chamilo · 2026-03-16 · 5 CVEs total

CVE-2026-30875 8.8 HIGH Chamilo LMS: Authenticated RCE via H5P Import
CVE-2026-30881 8.8 HIGH Chamilo LMS: SQL Injection in the statistics AJAX endpoint
CVE-2026-30882 6.1 MEDIUM Chamilo LMS: Reflected XSS in the session category listing page
CVE-2026-30876 Chamilo LMS: User enumeration vulnerability via response

IV. Related Vulnerabilities

Same product: chamilo-lms
Same vendor: chamilo
Same weakness: CWE-89

V. Comments for CVE-2026-28430

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